Warning: Permanently added '10.128.1.104' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:39 parsed 1 programs [ 42.627046][ T4022] cgroup: Unknown subsys name 'net' [ 42.850931][ T4022] cgroup: Unknown subsys name 'rlimit' [ 43.183098][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 51.164923][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.166754][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.169673][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.183040][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.184691][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.187382][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.607584][ T4088] chnl_net:caif_netlink_parms(): no params data found [ 52.651160][ T4088] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.652741][ T4088] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.655047][ T4088] device bridge_slave_0 entered promiscuous mode [ 52.659804][ T4088] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.661336][ T4088] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.663848][ T4088] device bridge_slave_1 entered promiscuous mode [ 52.681658][ T4088] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.686372][ T4088] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.701950][ T4088] team0: Port device team_slave_0 added [ 52.706084][ T4088] team0: Port device team_slave_1 added [ 52.720447][ T4088] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.721886][ T4088] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.727945][ T4088] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.732014][ T4088] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.733410][ T4088] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.739793][ T4088] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.797895][ T4088] device hsr_slave_0 entered promiscuous mode [ 52.845862][ T4088] device hsr_slave_1 entered promiscuous mode [ 52.964715][ T4088] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.018130][ T4088] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.058886][ T4088] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.098025][ T4088] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.143030][ T4088] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.144639][ T4088] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.146749][ T4088] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.148365][ T4088] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.196532][ T4088] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.199427][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.203283][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.225031][ T4088] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.228212][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.230418][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.243281][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.256358][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.258355][ T686] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.259845][ T686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.262923][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.265110][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.270787][ T686] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.272246][ T686] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.276764][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.286625][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.289000][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.292341][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.296646][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.301497][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.308022][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.312332][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.314540][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.325020][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.328480][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.335569][ T4088] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.407264][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.408925][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.417890][ T4088] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.430452][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.432792][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.445433][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.447814][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.450177][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.452272][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.456541][ T4088] device veth0_vlan entered promiscuous mode [ 53.462686][ T4088] device veth1_vlan entered promiscuous mode [ 53.478044][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.480234][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.482327][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.484441][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.493167][ T4088] device veth0_macvtap entered promiscuous mode [ 53.498640][ T4088] device veth1_macvtap entered promiscuous mode [ 53.511168][ T4088] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.513010][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.516955][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.519294][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.522012][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.527398][ T4088] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.530899][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.533096][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.537252][ T4088] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.539246][ T4088] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.541054][ T4088] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.542953][ T4088] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:53 executed programs: 0 [ 53.740650][ T4113] chnl_net:caif_netlink_parms(): no params data found [ 53.775523][ T4113] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.777232][ T4113] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.779474][ T4113] device bridge_slave_0 entered promiscuous mode [ 53.782786][ T4113] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.784407][ T4113] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.787903][ T4113] device bridge_slave_1 entered promiscuous mode [ 53.804021][ T4113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.821547][ T4113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.837577][ T4113] team0: Port device team_slave_0 added [ 53.840926][ T4113] team0: Port device team_slave_1 added [ 53.854306][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.856070][ T4113] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 53.861658][ T4113] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.866754][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.868242][ T4113] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 53.873528][ T4113] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.937841][ T4113] device hsr_slave_0 entered promiscuous mode [ 53.995816][ T4113] device hsr_slave_1 entered promiscuous mode [ 54.035566][ T4113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.037342][ T4113] Cannot create hsr debugfs directory [ 54.133100][ T4113] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.706279][ T4102] Bluetooth: hci0: command 0x0409 tx timeout [ 56.845462][ T4113] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.795448][ T4102] Bluetooth: hci0: command 0x041b tx timeout [ 59.592520][ T4113] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.674105][ T4113] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.865369][ T4102] Bluetooth: hci0: command 0x040f tx timeout [ 59.908981][ T4113] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.967352][ T4113] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.008300][ T4113] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.057404][ T4113] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.158247][ T4113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.165696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.167772][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.177424][ T4113] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.181909][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.184330][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.188023][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.189529][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.193116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.202196][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.204498][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.207687][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.209282][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.211314][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.215934][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.229955][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.233547][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.235984][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.241175][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.247438][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.274433][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.279239][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.281319][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.283545][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.286581][ T4113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.363680][ T4113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.368198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.369865][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.382573][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.384875][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.398934][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.401232][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.404072][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.407052][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.411128][ T4113] device veth0_vlan entered promiscuous mode [ 60.418628][ T4113] device veth1_vlan entered promiscuous mode [ 60.432291][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.434585][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.438447][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.440684][ T686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.446839][ T4113] device veth0_macvtap entered promiscuous mode [ 60.453239][ T4113] device veth1_macvtap entered promiscuous mode [ 60.463563][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.466542][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.469545][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.471601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.473905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.477549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.479760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.483810][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.487457][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.490907][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.493154][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.497729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.502015][ T4113] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.503783][ T4113] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.506109][ T4113] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.507862][ T4113] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.550175][ T686] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.551954][ T686] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.554439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.576748][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.578447][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.580920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.696219][ T4125] [ 60.696795][ T4125] ====================================================== [ 60.698379][ T4125] WARNING: possible circular locking dependency detected [ 60.699952][ T4125] 5.15.167-syzkaller #0 Not tainted [ 60.701207][ T4125] ------------------------------------------------------ [ 60.702713][ T4125] syz.0.15/4125 is trying to acquire lock: [ 60.704065][ T4125] ffff0000dbb18c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 60.706539][ T4125] [ 60.706539][ T4125] but task is already holding lock: [ 60.708358][ T4125] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.710538][ T4125] [ 60.710538][ T4125] which lock already depends on the new lock. [ 60.710538][ T4125] [ 60.712712][ T4125] [ 60.712712][ T4125] the existing dependency chain (in reverse order) is: [ 60.714758][ T4125] [ 60.714758][ T4125] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.716471][ T4125] __mutex_lock_common+0x194/0x2154 [ 60.717734][ T4125] mutex_lock_nested+0xa4/0xf8 [ 60.718761][ T4125] rfkill_register+0x44/0x7a4 [ 60.719942][ T4125] hci_register_dev+0x3e0/0x880 [ 60.721167][ T4125] vhci_create_device+0x2c4/0x568 [ 60.722380][ T4125] vhci_write+0x318/0x3b8 [ 60.723493][ T4125] vfs_write+0x884/0xb44 [ 60.724562][ T4125] ksys_write+0x15c/0x26c [ 60.725609][ T4125] __arm64_sys_write+0x7c/0x90 [ 60.726811][ T4125] invoke_syscall+0x98/0x2b8 [ 60.727991][ T4125] el0_svc_common+0x138/0x258 [ 60.729218][ T4125] do_el0_svc+0x58/0x14c [ 60.730235][ T4125] el0_svc+0x7c/0x1f0 [ 60.731272][ T4125] el0t_64_sync_handler+0x84/0xe4 [ 60.732458][ T4125] el0t_64_sync+0x1a0/0x1a4 [ 60.733522][ T4125] [ 60.733522][ T4125] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.735294][ T4125] __mutex_lock_common+0x194/0x2154 [ 60.736499][ T4125] mutex_lock_nested+0xa4/0xf8 [ 60.737654][ T4125] vhci_send_frame+0x8c/0x10c [ 60.738749][ T4125] hci_send_frame+0x194/0x2f0 [ 60.739856][ T4125] hci_tx_work+0x9ac/0x16cc [ 60.740889][ T4125] process_one_work+0x790/0x11b8 [ 60.742140][ T4125] worker_thread+0x910/0x1034 [ 60.743245][ T4125] kthread+0x37c/0x45c [ 60.744224][ T4125] ret_from_fork+0x10/0x20 [ 60.745325][ T4125] [ 60.745325][ T4125] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.747452][ T4125] __flush_work+0xf8/0x1c0 [ 60.748595][ T4125] flush_work+0x24/0x38 [ 60.749612][ T4125] hci_dev_do_close+0x16c/0x1060 [ 60.750888][ T4125] hci_unregister_dev+0x248/0x4d4 [ 60.752123][ T4125] vhci_release+0x74/0xc4 [ 60.753335][ T4125] __fput+0x1c4/0x800 [ 60.754367][ T4125] ____fput+0x20/0x30 [ 60.755327][ T4125] task_work_run+0x130/0x1e4 [ 60.756534][ T4125] do_exit+0x670/0x20bc [ 60.757562][ T4125] do_group_exit+0x110/0x268 [ 60.758671][ T4125] get_signal+0x634/0x1550 [ 60.759831][ T4125] do_notify_resume+0x3d0/0x32b8 [ 60.761030][ T4125] el0_svc+0xfc/0x1f0 [ 60.762017][ T4125] el0t_64_sync_handler+0x84/0xe4 [ 60.763324][ T4125] el0t_64_sync+0x1a0/0x1a4 [ 60.764472][ T4125] [ 60.764472][ T4125] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.766026][ T4125] __mutex_lock_common+0x194/0x2154 [ 60.767183][ T4125] mutex_lock_nested+0xa4/0xf8 [ 60.768355][ T4125] bg_scan_update+0x9c/0x470 [ 60.769478][ T4125] process_one_work+0x790/0x11b8 [ 60.770636][ T4125] worker_thread+0x910/0x1034 [ 60.771773][ T4125] kthread+0x37c/0x45c [ 60.772800][ T4125] ret_from_fork+0x10/0x20 [ 60.773829][ T4125] [ 60.773829][ T4125] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.776050][ T4125] __lock_acquire+0x32d4/0x7638 [ 60.777179][ T4125] lock_acquire+0x240/0x77c [ 60.778121][ T4125] __flush_work+0xf8/0x1c0 [ 60.779199][ T4125] __cancel_work_timer+0x3ec/0x548 [ 60.780466][ T4125] cancel_work_sync+0x24/0x38 [ 60.781658][ T4125] hci_request_cancel_all+0xcc/0x2d0 [ 60.782885][ T4125] hci_dev_do_close+0x54/0x1060 [ 60.784044][ T4125] hci_rfkill_set_block+0xdc/0x1d0 [ 60.785296][ T4125] rfkill_set_block+0x18c/0x37c [ 60.786509][ T4125] rfkill_fop_write+0x594/0x750 [ 60.787570][ T4125] vfs_write+0x280/0xb44 [ 60.788705][ T4125] ksys_write+0x15c/0x26c [ 60.789869][ T4125] __arm64_sys_write+0x7c/0x90 [ 60.791071][ T4125] invoke_syscall+0x98/0x2b8 [ 60.792188][ T4125] el0_svc_common+0x138/0x258 [ 60.793325][ T4125] do_el0_svc+0x58/0x14c [ 60.794500][ T4125] el0_svc+0x7c/0x1f0 [ 60.795422][ T4125] el0t_64_sync_handler+0x84/0xe4 [ 60.796662][ T4125] el0t_64_sync+0x1a0/0x1a4 [ 60.797658][ T4125] [ 60.797658][ T4125] other info that might help us debug this: [ 60.797658][ T4125] [ 60.799791][ T4125] Chain exists of: [ 60.799791][ T4125] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.799791][ T4125] [ 60.803241][ T4125] Possible unsafe locking scenario: [ 60.803241][ T4125] [ 60.804783][ T4125] CPU0 CPU1 [ 60.806022][ T4125] ---- ---- [ 60.807182][ T4125] lock(rfkill_global_mutex); [ 60.808266][ T4125] lock(&data->open_mutex); [ 60.809936][ T4125] lock(rfkill_global_mutex); [ 60.811618][ T4125] lock((work_completion)(&hdev->bg_scan_update)); [ 60.813125][ T4125] [ 60.813125][ T4125] *** DEADLOCK *** [ 60.813125][ T4125] [ 60.814828][ T4125] 1 lock held by syz.0.15/4125: [ 60.816001][ T4125] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.818251][ T4125] [ 60.818251][ T4125] stack backtrace: [ 60.819551][ T4125] CPU: 1 PID: 4125 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 60.821257][ T4125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 60.823576][ T4125] Call trace: [ 60.824221][ T4125] dump_backtrace+0x0/0x530 [ 60.825205][ T4125] show_stack+0x2c/0x3c [ 60.826104][ T4125] dump_stack_lvl+0x108/0x170 [ 60.827094][ T4125] dump_stack+0x1c/0x58 [ 60.828088][ T4125] print_circular_bug+0x150/0x1b8 [ 60.829168][ T4125] check_noncircular+0x2cc/0x378 [ 60.830224][ T4125] __lock_acquire+0x32d4/0x7638 [ 60.831266][ T4125] lock_acquire+0x240/0x77c [ 60.832259][ T4125] __flush_work+0xf8/0x1c0 [ 60.833281][ T4125] __cancel_work_timer+0x3ec/0x548 [ 60.834439][ T4125] cancel_work_sync+0x24/0x38 [ 60.835449][ T4125] hci_request_cancel_all+0xcc/0x2d0 [ 60.836563][ T4125] hci_dev_do_close+0x54/0x1060 [ 60.837621][ T4125] hci_rfkill_set_block+0xdc/0x1d0 [ 60.838649][ T4125] rfkill_set_block+0x18c/0x37c [ 60.839679][ T4125] rfkill_fop_write+0x594/0x750 [ 60.840707][ T4125] vfs_write+0x280/0xb44 [ 60.841684][ T4125] ksys_write+0x15c/0x26c [ 60.842605][ T4125] __arm64_sys_write+0x7c/0x90 [ 60.843617][ T4125] invoke_syscall+0x98/0x2b8 [ 60.844627][ T4125] el0_svc_common+0x138/0x258 [ 60.845665][ T4125] do_el0_svc+0x58/0x14c [ 60.846658][ T4125] el0_svc+0x7c/0x1f0 [ 60.847467][ T4125] el0t_64_sync_handler+0x84/0xe4 [ 60.848586][ T4125] el0t_64_sync+0x1a0/0x1a4